55979775

素因数分解:

$3^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 103564800

約数和(自身を除く): 47585025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 239, 347, 675, 717, 1041, 1195, 1735, 2151, 3123, 3585, 5205, 5975, 6453, 8675, 9369, 10755, 15615, 17925, 26025, 32265, 46845, 53775, 78075, 82933, 161325, 234225, 248799, 414665, 746397, 1243995, 2073325, 2239191, 3731985, 6219975, 11195955, 18659925, 55979775]

約数ペア:

[(1, 55979775), (3, 18659925), (5, 11195955), (9, 6219975), (15, 3731985), (25, 2239191), (27, 2073325), (45, 1243995), (75, 746397), (135, 414665), (225, 248799), (239, 234225), (347, 161325), (675, 82933), (717, 78075), (1041, 53775), (1195, 46845), (1735, 32265), (2151, 26025), (3123, 17925), (3585, 15615), (5205, 10755), (5975, 9369), (6453, 8675)]